No problem, we've got 4136 and 4454 to multiply
4136 × 4454 = 4454 × (4136)
+ 4454 × 6 which equals 26724
+ 4454 × 30 that is equal 133620
+ 4454 × 100 which equals 445400
+ 4454 × 4000 what gives us 17816000

= 18421744
